DE69833407D1 - A method of controlling the flight of a magnetic head and associated device in a hard disk drive - Google Patents

A method of controlling the flight of a magnetic head and associated device in a hard disk drive

Info

Publication number
DE69833407D1
DE69833407D1 DE69833407T DE69833407T DE69833407D1 DE 69833407 D1 DE69833407 D1 DE 69833407D1 DE 69833407 T DE69833407 T DE 69833407T DE 69833407 T DE69833407 T DE 69833407T DE 69833407 D1 DE69833407 D1 DE 69833407D1
Authority
DE
Germany
Prior art keywords
flight
controlling
hard disk
disk drive
magnetic head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69833407T
Other languages
German (de)
Other versions
DE69833407T2 (en
Inventor
Tae-Ho Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE69833407D1 publication Critical patent/DE69833407D1/en
Application granted granted Critical
Publication of DE69833407T2 publication Critical patent/DE69833407T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
    • G11B21/20—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
    • G11B21/21—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier with provision for maintaining desired spacing of head from record carrier, e.g. fluid-dynamic spacing, slider
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/4806—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
    • G11B5/4873—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives the arm comprising piezoelectric or other actuators for adjustment of the arm
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5582—Track change, selection or acquisition by displacement of the head across disk tracks system adaptation for working during or after external perturbation, e.g. in the presence of a mechanical oscillation caused by a shock
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59694—System adaptation for working during or after external perturbation, e.g. in the presence of a mechanical oscillation caused by a shock
DE69833407T 1997-07-31 1998-05-12 A method of controlling the flight of a magnetic head and associated device in a hard disk drive Expired - Lifetime DE69833407T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR9736559 1997-07-31
KR1019970036559A KR100255641B1 (en) 1997-07-31 1997-07-31 Head flying height control method and apparatus for hard disk drive

Publications (2)

Publication Number Publication Date
DE69833407D1 true DE69833407D1 (en) 2006-04-20
DE69833407T2 DE69833407T2 (en) 2006-07-27

Family

ID=19516503

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69833407T Expired - Lifetime DE69833407T2 (en) 1997-07-31 1998-05-12 A method of controlling the flight of a magnetic head and associated device in a hard disk drive

Country Status (5)

Country Link
US (1) US6166874A (en)
EP (1) EP0895225B1 (en)
JP (1) JP3043311B2 (en)
KR (1) KR100255641B1 (en)
DE (1) DE69833407T2 (en)

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US7411752B2 (en) * 1999-02-22 2008-08-12 Seagate Technology Llc Head vibration detection device and method
US6501625B1 (en) * 1999-06-29 2002-12-31 Hutchinson Technology Incorporated Disk drive suspension with multi-layered piezoelectric actuator controlled gram load
US6600622B1 (en) * 2000-02-11 2003-07-29 Hitachi Global Storage Technologies Netherlands B.V. System and method for detecting displacement of disk drive heads on micro actuators due to contact with disks
US6674600B1 (en) * 2000-05-31 2004-01-06 Western Digital Technologies, Inc. Disk drive having separate motion sensors for base and actuator
US6621653B1 (en) * 2000-06-09 2003-09-16 Hitachi Global Storage Technologies Netherlands B.V. Secondary actuator system for mode compensation
US6633448B1 (en) * 2000-09-06 2003-10-14 International Business Machines Corporation Disk data storage device having improved tolerance for stressful environments
US6611399B1 (en) 2000-12-07 2003-08-26 Seagate Technology Llc Micro-actuated micro-suspension(MAMS) slider for both fly height and tracking position
US6760181B2 (en) 2000-12-15 2004-07-06 Seagate Technology Llc Microactuator for dynamic controlling head-media interaction and fly-height
JP2002190173A (en) * 2000-12-21 2002-07-05 Toshiba Corp Disk storage device and method for avoiding collision of head
US6700724B2 (en) * 2001-08-22 2004-03-02 Seagate Technology Llc Contact detection and calibration for electrostatic fly height control in a disc drive
JP3756109B2 (en) * 2001-11-28 2006-03-15 富士通メディアデバイス株式会社 Magnetic head support mechanism and magnetic head positioning control mechanism
JP2003173639A (en) * 2001-11-30 2003-06-20 Toshiba Corp Recording and reproducing device
SG126688A1 (en) * 2002-01-15 2006-11-29 Inst Data Storage Active control system and method for reducing diskfluttering induced track misregistrations
US6922303B2 (en) * 2002-05-06 2005-07-26 Samsung Electronics Co., Ltd. Reaction mass dual-stage actuator (DSA) and sensor
JP2005158111A (en) * 2003-11-21 2005-06-16 Fujitsu Ltd Acceleration sensor and disk device using the sensor
US7375911B1 (en) * 2003-11-25 2008-05-20 Maxtor Corporation Piezoelectric actuator and sensor for disk drive dual-stage servo systems
KR100594252B1 (en) * 2004-02-17 2006-06-30 삼성전자주식회사 Method for controlling movement of head in data storage unit and disk drive using the same
KR100594261B1 (en) * 2004-02-28 2006-06-30 삼성전자주식회사 Method for controlling continuously position of head in data storage device and disc drive using the same
US7184233B2 (en) * 2004-06-04 2007-02-27 Quantum Corporation Dual source tracking servo systems and associated methods
TW200601278A (en) * 2004-06-30 2006-01-01 Altob Inc A protection mechanism and method of a read and write medium apparatus
US7009804B2 (en) * 2004-07-29 2006-03-07 Samsung Electronics Co., Ltd. Method and apparatus for micro-actuator stroke sensitivity calibration in a hard disk drive
US7292407B2 (en) * 2004-09-30 2007-11-06 Hitachi Global Storage Technologies Netherlands B.V. Disk drive with support structure for disk-vibration capacitive sensors
US7499235B2 (en) 2005-03-18 2009-03-03 Quantum Corporation Auto-servo tape system and associated recording head
JP2006269006A (en) * 2005-03-25 2006-10-05 Fujitsu Ltd Storage device, control method and program
KR100782299B1 (en) 2006-05-02 2007-12-06 삼성전자주식회사 Hard disk drive, method for controlling FOD voltage thereof, and computer readable recording media recording the method
WO2008084511A1 (en) * 2006-12-25 2008-07-17 Fujitsu Limited Storage device, magnetic circuit, and actuator
JP4984943B2 (en) * 2007-02-13 2012-07-25 富士通株式会社 Piezoelectric sensor device and recording device
JP2008226386A (en) 2007-03-14 2008-09-25 Fujitsu Ltd Storage device, controller, and vibration detecting method
JP2008234748A (en) * 2007-03-19 2008-10-02 Fujitsu Ltd Head suspension equipped with vibration sensor, and its manufacturing method
US7826169B2 (en) 2007-04-25 2010-11-02 Quantum Corporation Servo error detection and compensation utilizing virtual data tracking servo methods
WO2008152704A1 (en) * 2007-06-13 2008-12-18 Fujitsu Limited Magnetic head and method of controlling magnetic head
US8179629B2 (en) * 2007-12-26 2012-05-15 Nitto Denko Corporation Flexure based shock and vibration sensor for head suspensions in hard disk drives
JP2010020833A (en) * 2008-07-10 2010-01-28 Toshiba Storage Device Corp Magnetic storage device and method for positioning head
US8111485B2 (en) * 2008-11-19 2012-02-07 Seagate Technology Llc Arm mounted shock sensor and flexible circuit routing
KR101141419B1 (en) 2010-07-29 2012-05-04 삼성전기주식회사 Dissolution property measurement system using piezoelectric sensor
US8537500B2 (en) 2010-12-29 2013-09-17 HGST Netherlands B.V. Magnetic disk device
KR101252239B1 (en) * 2011-05-04 2013-04-08 (주)노바마그네틱스 Manufacturing method of thin film type PZT glide head for hard disk
US20220328068A1 (en) * 2021-02-10 2022-10-13 Seagate Technology Llc Actuation of suspension for off ramp z-motion for an elevator drive
US11948612B2 (en) 2021-04-19 2024-04-02 Seagate Technology Llc Zero skew elevator system

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Also Published As

Publication number Publication date
US6166874A (en) 2000-12-26
KR19990012977A (en) 1999-02-25
KR100255641B1 (en) 2000-05-01
JPH1153856A (en) 1999-02-26
EP0895225B1 (en) 2006-02-08
EP0895225A1 (en) 1999-02-03
JP3043311B2 (en) 2000-05-22
DE69833407T2 (en) 2006-07-27

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